Washington Written Drivers Permit Practice Test

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Prepare for the Washington Written Drivers Permit Exam with practice tests. Study with flashcards, multiple choice questions, explanations, and hints to get ready for your exam!

Practice this question and more.


Smoking marijuana has been shown to impair one's driving abilities for up to _______.

  1. 1 hour

  2. 2 hours

  3. 3 hours

  4. 5 hours

The correct answer is: 5 hours

Marijuana can impair driving abilities for an extended period of time, and the effects may last for up to five hours. This impairment can affect coordination, reaction time, judgment, and overall cognitive function, making it unsafe to operate a vehicle during this time frame. It is crucial for drivers to wait until the effects of marijuana have completely worn off before getting behind the wheel to ensure the safety of themselves and others on the road.